1. Eye-catching flashing with max 350 LED lumens, providing great visibility for daytime riding
2. Built-in motion sensor for brake detection and auto on-off function when activated
3. Auto power save and indicator for low battery
4. USB-C charging port for convenient use
5. Solid and lightweight anodized aluminum body
6. Compatible with round and aero seatposts
7. Intelligent memory circuit remembers the last used brightness level and mode when turned on again